On Thu, Jan 30, 2020, 10:57 AM Gedare Bloom <ged...@rtems.org> wrote:
> Hi Mike, > > Just a thought, but it looks like you're compiling a 'c' program (based on > file extension) with the c++ headers and libraries. This could be the > source of the errors. > On second thought, it looks like the error trace is starting from your .cpp file. So I have no further thoughts right now. > Gedare > > On Thu, Jan 30, 2020, 9:13 AM M. Dodson <md...@cam.ac.uk> wrote: > >> *** I am hitting the mailing list with two questions because I’m not sure >> they’re sufficiently related to be in the same email. Much of this >> information will be the identical between them, but the traces will be >> different. *** >> >> I am trying to build the simplest of demo applications from the Robot >> Operating System (ROS) on top of RTEMS. >> >> I have a .c file (talker_init.c) that contains my Init function and a >> .cpp file (talker.cpp) that contains a function creating a ROS talker (just >> looping “hello world [counter value]”). The Init function in the .c file >> calls the talker function in the .cpp file. >> >> The ROS libraries rely on Boost libraries. I think I’ve figured out how >> to get waf to find them (at least, that’s not where I appear to have >> problems). >> >> My 'waf configure' command seems to complete without error. >> >> When I 'waf build -v’, I get a slew of errors. >> >> 1. A trace from the first set of errors is below. Basically, all of the >> ‘using ::[something]’ statements in ctime produce similar error. >> >> 2. A trace from the second set of errors is also below. I get many >> errors associated with boost elements being out of scope. I can build this >> just fine when I’m not cross-compiling for RTEMS. >> >> I am using MacO Catalina 10.15.2 on a MacBook Pro. >> >> I have added my own project directory within the rtems-examples >> repository and effectively copied a wscript file from another example >> project, so I’m still relying on the top-level wscript file and the >> additional elements in the rtems_waf directory. >> >> Mike >> >> --- >> >> examples $ ./waf build >> Waf: Entering directory >> `/Users/michaeldodson/projects/rtems_root/examples/build/riscv-rtems5-rv64imac_medany' >> [1/4] Compiling ros/talker/talker.cpp >> [2/4] Compiling ros/talker/talker_init.c >> In file included from >> /Users/michaeldodson/projects/rtems_root/rtems/5/lib/gcc/riscv-rtems5/9.2.0/include/c++/bits/locale_facets_nonio.h:39, >> from >> /Users/michaeldodson/projects/rtems_root/rtems/5/lib/gcc/riscv-rtems5/9.2.0/include/c++/locale:41, >> from >> /Users/michaeldodson/projects/rtems_root/rtems/5/lib/gcc/riscv-rtems5/9.2.0/include/c++/iomanip:43, >> from >> /usr/local/include/boost/math/policies/error_handling.hpp:12, >> from >> /usr/local/include/boost/math/special_functions/round.hpp:14, >> from >> ../../../../ros/melodic_catkin_ws/install_isolated/include/ros/time.h:58, >> from >> ../../../../ros/melodic_catkin_ws/install_isolated/include/ros/ros.h:38, >> from ../../ros/talker/talker.cpp:1: >> /Users/michaeldodson/projects/rtems_root/rtems/5/lib/gcc/riscv-rtems5/9.2.0/include/c++/ctime:64:11: >> error: '::clock' has not been declared >> 64 | using ::clock; >> | ^~~~~ >> _______________________________________________ >> users mailing list >> users@rtems.org >> http://lists.rtems.org/mailman/listinfo/users > >
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